Adapter to stream from RCA / AUX to Bluetooth / NFCAn adapter that allows you to capture or send wireless audio from RCA cables or AUX via Bluetooth. Plug the RCA cables into the TV or the AUX cable into the computer/music player to listen via Bluetooth.Plug the RCA cables or the AUX cable into a speaker and play music from the mobile phone/tablet via Bluetooth. Thanks to the presence of 3.5 mm (AUX) and RCA cables, you can listen via two different speakers at the same time. This is an appreciated audio adapter among those who want to modernize their HIFI system in an affordable way.Specification:- Bluetooth 5.0- Range: 10m- DC5V (1-2.1A)- Bluetooth receiver/transmitter- 3.5 mm (AUX)- RCA- AUX